Memory device



FIG. 1 is a perspective view of a memory device showing our new design; and,

FIG. 2 is a top plan view thereof.

The broken lines and unshaded portions contained within broken lines throughout the drawings, depict exemplary parts of the memory device that are shown for illustrative purposes only, and do not form part of the design claim. 

CLAIM The ornamental design for a memory device, as shown and described. 